PB-Nox Approved against Colorado Potato Beetle.  Phase-contrast Objectives in Four Magnifications.  Flail Chopper Easy to Handle on All Types of Terrain.  Agri-scribe Monitors, Logs Environmental Conditions.  Preselected Number of Seeds can be Counted with Numigral.  Thick, Dense Foam Provided by New 80-to-1 Concentrate. Plant Dis. 70:650. Copyright 1986 American Phytopathological Society. DOI: 10.1094/PD-70-175.